Hans Berger

The electroencephalogram represents a continuous curve with continuous oscillations in which... one can distinguish larger first order waves with an average duration of 90 milliseconds and smaller second order waves of an average duration of 35 milliseconds.

O my God, what must a soul be like when it is in this state! It longs to be all one tongue with which to praise the Lord. It utters a thousand pious follies, in a continuous endeavor to please Him who thus possesses it.

Software options proliferate extremely easily - too easily, in fact - because too many options create tools that can't ever be used intuitively. Intuitive actions confine the detail work to a dedicated part of the brain, leaving the rest of one's mind free to respond with attention and sensitivity to the changing texture of the moment.